| Issue |
MATEC Web of Conferences
Volume 33, 2015
ESOMAT 2015 – 10th European Symposium on Martensitic Transformations
|
|
|---|---|---|
| Article Number | 03001 | |
| Number of page(s) | 6 | |
| Section | NiTi-based alloys | |
| DOI | https://doi.org/10.1051/matecconf/20153303001 | |
| Published online | 07 December 2015 | |
Investigation of the structure and properties of nanoscale TiNiNb compositions obtained by high-energy exposure
Department “Dynamics and strength of machines”, Kuban State Technological University, 350072 Moskovskaya 2, Krasnodar, Russian Federation
a Corresponding author: ruspiter5@mail.ru
The article describes a complex method of surface modification of steel materials with shape memory effect (SME) TiNiNb, using high-speed gas-flame spraying of mechanically activated powder in a protective environment. We defined the control parameters of the surface modification which monitor the structural state of the material, and allow effecting purposefully on the functional properties of the surface layer with SME. We also developed a statistical model of technological process, which allows optimizing the structurally sensitive mechanical properties and ensuring the formation of nanocrystalline structure. Basing on the phase composition analysis and the average grain size we defined correlation of properties of the coatings to their structural-phase state. X-ray studies have shown that the formation of the surface layers using the developed technology ensures the shape memory effect. We demonstrated the effect that the structural state of surface-modified layer has on microhardness and wear resistance.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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